diff --git a/build.sc b/build.sc
index baad758376..e1d638b444 100644
--- a/build.sc
+++ b/build.sc
@@ -17,7 +17,7 @@ import $file.dependencies.rvdecoderdb.common
 import $file.common
 
 object v {
-  val scala = "2.13.12"
+  val scala = "2.13.14"
   val mainargs = ivy"com.lihaoyi::mainargs:0.5.0"
   val json4sJackson = ivy"org.json4s::json4s-jackson:4.0.5"
   val oslib = ivy"com.lihaoyi::os-lib:0.9.1"
diff --git a/flake.lock b/flake.lock
index 0b1dc68f3c..f61902b4ff 100644
--- a/flake.lock
+++ b/flake.lock
@@ -36,11 +36,11 @@
     },
     "nixpkgs-for-circt": {
       "locked": {
-        "lastModified": 1714513019,
-        "narHash": "sha256-QuNBYQvze8AWpbnH2Dv0dTKzafS10aSwKCFHVIPLsBQ=",
+        "lastModified": 1715055278,
+        "narHash": "sha256-nluyASjwNuaDUW5CX3Mo1X0DGDzhE6Mip/ExvRsbeFs=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "0e273473c249f48dfadbf1318056d57f26aa5bf3",
+        "rev": "9fb582619d1397a8cb64cfe28896a064fa1b33cb",
         "type": "github"
       },
       "original": {
diff --git a/nix/t1/_sources/generated.json b/nix/t1/_sources/generated.json
index 9dbaa00bd5..57a34bbb61 100644
--- a/nix/t1/_sources/generated.json
+++ b/nix/t1/_sources/generated.json
@@ -61,7 +61,7 @@
     },
     "chisel": {
         "cargoLocks": null,
-        "date": "2024-04-30",
+        "date": "2024-05-06",
         "extract": null,
         "name": "chisel",
         "passthru": null,
@@ -73,11 +73,11 @@
             "name": null,
             "owner": "chipsalliance",
             "repo": "chisel",
-            "rev": "0cf31392af010dad9ff62ac09f62ba92c1630dbd",
-            "sha256": "sha256-TFlTwycZDgI2POxVL8o2ID4TSMFLNbRga9cfelBIIIA=",
+            "rev": "69ec7c2b54a911e3798ad692590fa280d32f42e3",
+            "sha256": "sha256-EjoDhcqrBDlnQgAZ0iaTI+m3zE8tsvP1KsKU2N+6A7c=",
             "type": "github"
         },
-        "version": "0cf31392af010dad9ff62ac09f62ba92c1630dbd"
+        "version": "69ec7c2b54a911e3798ad692590fa280d32f42e3"
     },
     "diplomacy": {
         "cargoLocks": null,
diff --git a/nix/t1/_sources/generated.nix b/nix/t1/_sources/generated.nix
index 5f00b83724..f1108b4d5a 100644
--- a/nix/t1/_sources/generated.nix
+++ b/nix/t1/_sources/generated.nix
@@ -39,15 +39,15 @@
   };
   chisel = {
     pname = "chisel";
-    version = "0cf31392af010dad9ff62ac09f62ba92c1630dbd";
+    version = "69ec7c2b54a911e3798ad692590fa280d32f42e3";
     src = fetchFromGitHub {
       owner = "chipsalliance";
       repo = "chisel";
-      rev = "0cf31392af010dad9ff62ac09f62ba92c1630dbd";
+      rev = "69ec7c2b54a911e3798ad692590fa280d32f42e3";
       fetchSubmodules = false;
-      sha256 = "sha256-TFlTwycZDgI2POxVL8o2ID4TSMFLNbRga9cfelBIIIA=";
+      sha256 = "sha256-EjoDhcqrBDlnQgAZ0iaTI+m3zE8tsvP1KsKU2N+6A7c=";
     };
-    date = "2024-04-30";
+    date = "2024-05-06";
   };
   diplomacy = {
     pname = "diplomacy";
diff --git a/nix/t1/t1.nix b/nix/t1/t1.nix
index bb126d023c..fe0aa475e3 100644
--- a/nix/t1/t1.nix
+++ b/nix/t1/t1.nix
@@ -42,7 +42,7 @@ let
           ./../../common.sc
         ];
       };
-      millDepsHash = "sha256-rkS/bTDnjnyzdQyTIhfLj3e0mMdDn4fzv/660rO3qYg=";
+      millDepsHash = "sha256-ZgcBH7p4/F8Jn6qmsTKmwN6PLVXi37iuRCD0xYxvEO4=";
       nativeBuildInputs = [ submodules.setupHook ];
     };